| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2021 | Jun 8, 2021 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2021 | Jun 4, 2021 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 30, 2021 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2021 | Mar 17, 2021 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2020 | Jul 29, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 14, 2020 | Jul 10, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2020 | Jun 28, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2020 | Jun 15, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2020 | Jun 4, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2020 | Apr 21, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2020 | Mar 30, 2020 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 21, 2019 | Nov 20, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2019 | Oct 31, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2019 | Sep 12, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2019 | Aug 29, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2019 | Aug 15, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2019 | Jun 4, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 18, 2019 | Apr 16, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2019 | Mar 7, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2019 | Feb 27, 2019 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2018 | Nov 15, 2018 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2018 | Sep 14, 2018 | 001-33071 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 19, 2018 | Jul 17, 2018 | 001-33071 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 6, 2018 | Jun 4, 2018 | 001-33071 |